Windmill.



No. 7u,92a. Patented Oct. 28, I902.

J. AESCHLIMANN.

WINDMILL.

(Application filed. Apr. 19, 1902.

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UNITED STATES PATENT OFFICE.

JOHN AESCHLIMANN, OF WHATCOM, WVA SH INGTON.

WINDMILL.

SPECIFICATION formingart of Letters Patent No. 711,928, dated October. 28, 1902. Application filed April 19, 1902. Serial No. 103,771. (No model-l To all whom, it may concern:

Be it known that 1, JOHN AESCHLIMANN, a citizen of the United States, residing at \Vhatcom, county of Whatcom, and State of Washington, have invented new and useful Im-K provements in \Vindmills, of which the following is a specification.

My invention relates to that class of windmills in which the wind-actuating wheel revolves in a horizontal position.

The object of my invention is to provide a windmill of such construction that the wind will act with a direct pressure upon the sails upon one side ofits axis or wheel-supporting shaft, while the sails upon the opposite side of said shaft stand edgewise toward the wind as they move toward it and are automatically folded back as the wheel revolves into position to be again acted upon by the direct pressure of the wind.

The construction of my invention is explained by reference to the accompanying drawings, in which Figure 1 represents a side view of my invention, and Fig. 2 represents a top view thereof.

Like parts areidentified by the same reference-letters in both views.

The motorwheel comprises the central shaft A, radial arms or frames B, and folding sails C, D, E, and F. The shaft A is supported in a vertical position with the wheel from the frame or tower G in the ordinary manner. The sails are pivotally supported at one end to the outer ends of the frames B by the bolts I, While their inner ends when folded in position to catch the wind and actuate the wheel bear against the horizontal retaining-bars J, which bars J are pivoted at their inner ends to the shaft A. Thus it will be obvious that when the wheel is in the position shown in Fig. 2 and the wind is blowing toward it in the direction indicated by the arrow Ct the full direct pressure of the wind will be brought to bear against the sail C, while all the other sails D, E, and F will stand with their edges toward the approaching wind, whereby substantially all the pressure of the wind is brought to bear upon one side of the central shaft only.

As the sail 0 moves in the direction indicated by the arrow b, the sails D and E will be gradually and automatically brought back into the folded position indicated by the sail F, when as they are brought farther toward the right past the central shaft the wind will be caused to act directly upon them. Thus one sail after another is brought into position to be acted upon by the wind as they are in turn brought upon the right-hand side of the shaft. When the respective sails are in turn brought toward or near the line of movement of the wind near the position of the sail D, so that the wind ceases to act directly upon them, they are thrown from the closed position indicated by the sails C and F into the open position indicated by the sails D and E automatically by the action of the wind against them, and as they pass from the position indicated by the sail D toward that indicated by the sail F they are in turn brought back and folded into the position indicated by the sails F and O, as previously described.

When desirous to stop the mill from revolving, the several sails are released from contact with the retaining-bars J, when they will be thrown in line with the direction of the wind, and the wheel will therefore be caused to stand at rest. The levers J are thrown out of the locking position by drawing downwardly upon the cord K. Motion is communicated from the cord K to the levers J through the lever L, flanged pulley M, rod N, horizontal links 0, and vertical links P. The flanged pulley M is rigidly affixed to the rod N and revolves with the central shaft A, while the lever L is pivotally supported from the side of the stationary frame G on the pivotal bolt R and has bearings between the flanges of.

the pulley M. The rod N is located in the center of the shaft A and communicates motion from the lever L to the lever J through the flange-pulley M, horizontal links 0, and vertical links P when desirous to start or stop the Windmill.

When desirous to start the windmill, the levers J are brought back to the horizontal position by pulling downwardly upon the cord S, whereby the respective sails are held in position in line with their inclosing frames B, as heretofore described, when the wheel will be again caused to revolve. When the levers J are brought into the horizontal position (indicated in Fig. 1) preparatory to starting the mill, it will be necessary to simply turn the wheel a quarter of a turn in starting the same, so as to cause the first sail to be folded in against one of said arms J, when the action of the Wind will cause the wheel to continue to revolve so long as said levers J are retained in the locking position shown. The wheel can be readily revolved'in starting the same by turning the shaft A, which extends down to near the surface of the ground.

The lever L is operated in one direction by drawing downwardly upon the cord K and in the opposite direction bydrawingdownwardly upon the cord S.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a windmill of the class described, the combination of a vertical revoluble shaft; a shaft-supporting frame; a plurality of radial sail-supportingarms, supported from said vertical shaft; a plurality of swinging sails pivotally supported from said arms; and a plurality of levers pivoted at one end to said revoluble shaft, and adapted to hear at their opposite ends against the inner ends of said sail-supporting frames, and serve as stops for holding said sails in their closed position against the wind, when upon one side of said shaft, as set forth.

2. In a windmill of the class described, the combination of a vertical revoluble shaft A; a shaft-supporting frame or tower G; a plurality of radial sail-supporting frames B; a plurality of swinging sails O, D, E, and F, pivotally supported from said frames B; a plurality of radial arms J, pivoted at their inner ends to said revoluble shaft, and having their outer ends bear against the inner ends of said frames B, in line with the line of movement of said swinging sails; an operating-lever L and connection K, said lever L being pivotally connected with said tower G; means for communicating motion from said lever L to said radial arms J, consisting in the flanged pulley M, rod N, links 0 and P, said lever L having bearings between the flanges of said pulley M, and being adapted to communicate an upward and downward movement to said rod N through said pulley, as it is turned upon its pivotal support, all substantially as and for the purpose set forth.

In testimony whereof I affix my signature in the presence of two witnesses.

JOHN AESCHLIMANN.

Witnesses:

O. A. HORST, GEo. W. MACK. 

